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== PRELIMINARY EARTHQUAKE REPORT ==
Southeast U.S. Seismic Networks

Version #A: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:39:39 PM (CDT) on Tuesday, September 22, 2009 .
The magnitude 1.9 event occurred 11 km (7 miles) W of Lookout Mountain, GA .
The hypocentral depth is 18 km (11 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Tuesday, September 22, 2009 at 1:39:39 PM (CDT)
Tuesday, September 22, 2009 at 18:39:39 (UTC)
Distance from Lookout Mountain, GA - 11 km (7 miles) W (270 degrees)
Trenton, GA - 12 km (7 miles) NNE (12 degrees)
Lookout Mountain, TN - 12 km (8 miles) W (261 degrees)
Chattanooga, TN - 17 km (11 miles) WSW (244 degrees)
Coordinates 34 deg. 58.6 min. N (34.976N), 85 deg. 29.0 min. W ( 85.483W)
Depth 17.5 km (10.9 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 19, Dmin=12 km, Rmss=0.17 sec, Erho=0.6 km, Erzz=2.2 km, Gp=108 degrees
Event ID# sehnw0922c
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